Polyolefin, Shrink Wrap Film, Thickness 75 ga, Roll Width 14 in, Roll Length 3,500 ft, Clear, Maximum Machine Direction Shrink 65 Percent, Maximum Transverse Direction Shrink 65 Percent, Shrink Temperature 240 Degrees to 340 Degrees F, Film Style Centerfold, Compatible Grainger Part Number Heat Guns Or Shrink Tunnels, Core Diameter 3 in, Shrink Direction Crosslinked, Roll Dia. 14 in